Analysis
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max time kernel
110s -
max time network
118s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
13-01-2025 05:39
General
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Target
52033a26e05ddafaf017bcb381f6fcf536838c413412a59980c4dcfcbac0849bN.exe
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Size
204KB
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MD5
e4263c8c7f3c6d26ec65a9cada3fdcb0
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SHA1
8c0312a5e1c9aee7ac915c3abcd3930cb8dcd1e1
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SHA256
52033a26e05ddafaf017bcb381f6fcf536838c413412a59980c4dcfcbac0849b
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SHA512
70a6168a079f1e12ddbe5bd4ae2a182387e3baa27bd1107cf7e82144e8273b951494441c48554747627951293f58f2512d7dbc603e83f36c8df5195ce9c4bd17
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SSDEEP
3072:h5u7yT4TVbkuRaX1w71jnRkCoyJTarYWbV+HOFxg+z1WxJsqWkoyjOowUVl/TlA4:hLexkuRaX41xoyJV65gzyZko+ucR
Malware Config
Extracted
simda
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dga
gatyfus.com
lyvyxor.com
vojyqem.com
qetyfuv.com
puvyxil.com
gahyqah.com
lyryfyd.com
vocyzit.com
qegyqaq.com
purydyv.com
gacyzuz.com
lygymoj.com
vowydef.com
qexylup.com
pufymoq.com
gaqydeb.com
lyxylux.com
vofymik.com
qeqysag.com
puzylyp.com
gadyniw.com
lymysan.com
volykyc.com
qedynul.com
pumypog.com
galykes.com
lysynur.com
vonypom.com
qekykev.com
pupybul.com
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
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Simda family
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simda
Simda is an infostealer written in C++.
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Executes dropped EXE 1 IoCs
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Modifies WinLogon 2 TTPs 2 IoCs
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Drops file in Windows directory 2 IoCs
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: RenamesItself 1 IoCs
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Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\52033a26e05ddafaf017bcb381f6fcf536838c413412a59980c4dcfcbac0849bN.exe"C:\Users\Admin\AppData\Local\Temp\52033a26e05ddafaf017bcb381f6fcf536838c413412a59980c4dcfcbac0849bN.exe"1⤵
- Modifies WinLogon
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
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C:\Windows\apppatch\svchost.exe"C:\Windows\apppatch\svchost.exe"2⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Modifies WinLogon
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
24KB
MD57d2a98340d520b04bd31c8e735023482
SHA1478ea87d5910a5c601ccd686a4856d903967dc3c
SHA2566598e6045fb672f1ca50f8e912f4c28e18a43f89cd6a76983f632ff7fcc7c385
SHA512e8779cc7e07c3e2ae5aa8216d6da9d80648b9ca570fa72e1f0c40a6535e2b62835f0ce8107c205efc7f5b8f219a99224de1acfd343801bec594a6a08bbe0dcda
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Filesize
204KB
MD5e516b81a170ec51b998b51084b4c83e0
SHA19c6e4f6040e457933a095969e575b611d7da4636
SHA256aaae94a5cf304dd1e9b000d36818572dff58add53ef80ba8c291be9d40257e6b
SHA5128b36eeb9360081cdfd894ce748c71ecc7dbef86161a7dbe17fab9869396194f544cced0035d498a27e602233e3c81171ca0afd8f1573ff5d60557c27a1e38e73
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Filesize
1.5MB
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Filesize
324KB
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Filesize
380KB
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Filesize
380KB
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Filesize
324KB
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Filesize
1.5MB
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Filesize
1.5MB
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Filesize
1.5MB
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Filesize
1.5MB
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Filesize
672KB
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Filesize
1.5MB
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Filesize
728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB